.logo {
  height: 32px;
  margin: 16px;
  background: rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  font-weight: bold;
}

.site-header {
  background: #fff;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 1px 4px rgba(0, 21, 41, 0.08);
}

.header-search {
  flex: 1;
  margin-right: 20px;
}

.header-user {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.tag {
  background: #f0f2f5;
  border-radius: 4px;
  padding: 2px 8px;
  margin-right: 4px;
  font-size: 12px;
}

.success-tag {
  background: #52c41a;
  color: white;
}

.warning-tag {
  background: #faad14;
  color: white;
}

.danger-tag {
  background: #f5222d;
  color: white;
}

.chart-container {
  height: 300px;
  width: 100%;
}

.kpi-card {
  text-align: center;
  padding: 20px;
}

.kpi-value {
  font-size: 24px;
  font-weight: bold;
  margin: 10px 0;
}

.kpi-label {
  font-size: 14px;
  color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .site-header {
    padding: 0 12px;
  }
  
  .header-search {
    margin-right: 10px;
  }
  
  .header-search input {
    width: 150px !important;
  }
  
  .logo {
    font-size: 16px;
  }
  
  .ant-layout-sider {
    position: fixed;
    height: 100vh;
    left: 0;
    z-index: 100;
  }
  
  .ant-layout {
    margin-left: 0;
  }
  
  .ant-card {
    margin-bottom: 12px;
  }
  
  .chart-container {
    height: 250px;
  }
}

@media (max-width: 576px) {
  .header-search {
    display: none;
  }
  
  .ant-layout-content {
    margin: 12px !important;
  }
  
  .ant-breadcrumb {
    margin: 12px 0 !important;
  }
  
  .ant-card {
    padding: 12px !important;
  }
  
  .chart-container {
    height: 200px;
  }
}
